DERIVATIVE INSTRUMENTS (Details) ₪ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($) instrument	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($) instrument	Aug. 03, 2017 ILS (₪)
Derivative [Line Items]
Purchase of derivative	$ 0	$ 107,000
Foreign currency option
Derivative [Line Items]
Gain (loss) recognized on derivatives	(2,000,000)
Interest Rate Cap
Derivative [Line Items]
Unrealized loss on derivatives	31,000	(57,000)
Foreign currency collars
Derivative [Line Items]
Foreign currency transaction gain (loss)	1,000,000	(15,800,000)
Foreign Currency Collar
Derivative [Line Items]
Gain (loss) recognized on derivatives		$ 11,100,000
Derivative instruments not designated as hedging instruments | Foreign currency option
Derivative [Line Items]
Notional Amount	$ 285,361,000
Number of Instruments | instrument	1
Derivative instruments not designated as hedging instruments | Foreign currency option | Prepaid expenses and other assets
Derivative [Line Items]
Number of Instruments | instrument	1		1
Derivative Asset	$ 2,226,000		$ 4,243,000
Derivative instruments not designated as hedging instruments | Interest Rate Cap
Derivative [Line Items]
Notional Amount	$ 46,875,000
Maturity Date	Feb. 13, 2020
Derivative instruments not designated as hedging instruments | Interest Rate Cap | Prepaid expenses and other assets
Derivative [Line Items]
Number of Instruments | instrument	1		1
Derivative Asset	$ 45,000		$ 14,000
Derivative instruments not designated as hedging instruments | Interest Rate Cap | One-month LIBOR
Derivative [Line Items]
Reference Rate	3.00%
Derivative instruments not designated as hedging instruments | Foreign currency collars
Derivative [Line Items]
Notional Amount | ₪				₪ 970.2
Strike Price				3.4
Purchase of derivative	$ 3,400,000